Denny's (DENN -0.5%) says it accidentally disclosed in a SEC filing that Q1 same-store sales...

|About: Denny's Corporation (DENN)|By:, SA News Editor

Denny's (DENN -0.5%) says it accidentally disclosed in a SEC filing that Q1 same-store sales fell 0.7%. Full results for the quarter are to be released on April 30. (8-K)